Company Names, identifiers, and filing context for this profile. 1 identity field
Company location
Cambridge, MA
SEC filing record 1 source field available
Fiscal year end
31 December
Mersana Therapeutics, Inc. has filed 704 SEC EDGAR filings since 12 Aug 2008

SEC filing history

Showing 451-475 of 702 matching filings.

Per page
25
Current page
19
4

4

Filing date
29 Jun 2020
Reporting date
25 Jun 2020
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4

4

Filing date
24 Jun 2020
Reporting date
13 Apr 2020
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3

3

Filing date
24 Jun 2020
Reporting date
13 Apr 2020
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8-K File 001-38129

FORM 8-K

Filing date
16 Jun 2020
Reporting date
12 Jun 2020
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4

4

Filing date
03 Jun 2020
Reporting date
01 Jun 2020
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8-K File 001-38129

FORM 8-K

Filing date
01 Jun 2020
Reporting date
28 May 2020
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424B5 File 333-238140

424B5

Filing date
29 May 2020
Reporting date
Not listed
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S-3MEF File 333-238761

S-3MEF

Filing date
28 May 2020
Reporting date
Not listed
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424B5 File 333-238140

424B5

Filing date
28 May 2020
Reporting date
Not listed
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8-K File 001-38129

FORM 8-K

Filing date
27 May 2020
Reporting date
27 May 2020
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EFFECT File 333-238140

EFFECT filing

Filing date
15 May 2020
Reporting date
Not listed
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8-K File 001-38129

FORM 8-K

Filing date
14 May 2020
Reporting date
14 May 2020
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CORRESP

CORRESP filing

Filing date
13 May 2020
Reporting date
Not listed
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UPLOAD

UPLOAD filing

Filing date
13 May 2020
Reporting date
Not listed
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S-3 File 333-238140

S-3

Filing date
08 May 2020
Reporting date
Not listed
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8-K File 001-38129

FORM 8-K

Filing date
08 May 2020
Reporting date
08 May 2020
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SC 13D/A File 005-90033

NEW ENTERPRISE ASSOCIATES 14, L.P. -- MERSANA THERAPEUTICS. 13DA2

Filing date
24 Apr 2020
Reporting date
Not listed
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DEFA14A File 001-38129

DEFA14A

Filing date
20 Apr 2020
Reporting date
Not listed
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DEF 14A File 001-38129

DEF 14A

Filing date
20 Apr 2020
Reporting date
12 Jun 2020
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SC 13D File 005-90033

SC 13D

Filing date
17 Apr 2020
Reporting date
Not listed
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8-K File 001-38129

FORM 8-K

Filing date
15 Apr 2020
Reporting date
13 Apr 2020
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4

FORM 4 SUBMISSION

Filing date
14 Apr 2020
Reporting date
13 Apr 2020
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4

FORM 4 SUBMISSION

Filing date
14 Apr 2020
Reporting date
13 Apr 2020
SEC evidence
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4

FORM 4 SUBMISSION

Filing date
13 Apr 2020
Reporting date
09 Apr 2020
SEC evidence
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